package pack0618;

public class DemoA {
    public static void main(String[] args){
        System.out.println("hallo.world");
        System.out.println("换行");
        System.out.print("不换行");
        //转义字符
        System.out.println("\"");
        System.out.println("\'");
        System.out.println("aa\nbb");
        System.out.println("aa\bbb");
        System.out.println("aa\tbb");


    }
}
